File:ARP307-NGC2872-NGC2874-HST-702.jpg

BITPIX = -32 / array data type NAXIS = 2 / number of array dimensions NAXIS1 = 2000 NAXIS2 = 2000 PCOUNT = 0 / number of parameters GCOUNT = 1 / number of groups CRVAL1 = 141.4377000922222 / right ascension of reference pixel (deg) CRVAL2 = 11.4297460425 / declination of reference pixel (deg) CRPIX1 = 1000.0 / x-coordinate of reference pixel CRPIX2 = 1000.0 / y-coordinate of reference pixel CD1_1 = -2.777777777777778E-05 / partial of the right ascension w.r.t. x CD1_2 = 0.0 / partial of the right ascension w.r.t. y CD2_1 = 0.0 / partial of the declination w.r.t. x CD2_2 = 2.777777777777778E-05 / partial of the declination w.r.t. y DATAMIN = -175.8704 / minimum value of the data DATAMAX = 64091.31 / maximum value of the data MIR_REVR= T / is the image mirror reversed? ORIENTAT= 0.0 / orientation of the image (deg) FILLCNT = 0 / number of segments containing fill ERRCNT = 0 / number of segments containing errors FPKTTIME= 51178.46316900002 / time of the first packet (Modified Julian Date) LPKTTIME= 51178.46333600001 / time of the last packet (Modified Julian Date) CTYPE1 = 'RA---TAN' / first coordinate type CTYPE2 = 'DEC--TAN' / second coordinate type DETECTOR= 1 / CCD detector: PC 1, WFC 2-4 DEZERO = 297.015 / mean bias level from EED extended register BIASEVEN= 297.0227 / bias level for even-numbered columns BIASODD = 297.0073 / bias level for odd-numbered columns GOODMIN = -1.869362 / minimum value of the "good" pixels GOODMAX = 2517.92 / maximum value of the "good" pixels DATAMEAN= 14.56606 / mean value of the "good" pixels GPIXELS = 555493 / number of "good" pixels (DQF = 0) SOFTERRS= 0 / number of "soft error" pixels (DQF = 1) CALIBDEF= 82440 / number of "calibration defect" pixels (DQF = 2) STATICD = 0 / number of "static defect" pixels (DQF = 4) ATODSAT = 23 / number of "AtoD saturated" pixels (DQF = 8) DATALOST= 0 / number of "data lost" pixels (DQF = 16) BADPIXEL= 0 / number of "generic bad" pixels (DQF = 32) OVERLAP = 0 / number of "image overlap" pixels (DQF = 64) PHOTMODE= 'WFPC2,1,A2D15,F702W,,CAL' / Photometry mode PHOTFLAM= 3.720493E-18 / Inverse Sensitivity PHOTZPT = -21.1 / Zero point PHOTPLAM= 6917.13 / Pivot wavelength PHOTBW = 586.7166 / RMS bandwidth of the filter MEDIAN = 7.852133 / middle data value when good qual pixels sorted MEDSHADO= 6.407031 / median pixel value in shadow of pyramid edge HISTWIDE= 8.12069 / width of the histogram SKEWNESS= 0.2123502 / skewness of the histogram MEANC10 = 131.7334 / mean of a 10x10 region at center of chip MEANC25 = 136.4522 / mean of a 25x25 region at center of chip MEANC50 = 143.6958 / mean of a 50x50 region at center of chip MEANC100= 133.3243 / mean of a 100x100 region at center of chip MEANC200= 72.33733 / mean of a 200x200 region at center of chip MEANC300= 45.88891 / mean of a 300x300 region at center of chip BACKGRND= 6.575985 / estimated background level EXTNAME = 'SCI ' / extension name EXPNAME = 'u3cm1002r' / 9 character exposure identifier EXTVER = 1 / extension version number INHERIT = T / inherit the primary header ROOTNAME= 'u3cm1002r' / rootname of the observation set OCRVAL1 = 141.42725 / right ascension of reference pixel (deg) OCRVAL2 = 11.43208611111 / declination of reference pixel (deg) OCRPIX2 = 424.5 / y-coordinate of reference pixel OCRPIX1 = 420 / x-coordinate of reference pixel ONAXIS2 = 800 ONAXIS1 = 800 OCD2_2 = 1.16488E-05 / partial of the declination w.r.t. y OCD2_1 = -4.91098E-06 / partial of the declination w.r.t. x OORIENTA= -22.85016373844861 / orientation of the image (deg) OCTYPE1 = 'RA---TAN' / first coordinate type OCD1_1 = -1.16542E-05 / partial of the right ascension w.r.t. x OCD1_2 = -4.90871E-06 / partial of the right ascension w.r.t. y OCTYPE2 = 'DEC--TAN' / second coordinate type WCSCDATE= '11:34:16 (01/07/2008)' / Time WCS keywords were copied. A_0_2 = -1.795353069067181E-06 B_0_2 = -3.315415303891449E-06 A_1_1 = -1.904234184477354E-06 B_1_1 = -2.13889515490025E-06 A_2_0 = -3.715731480088197E-06 B_2_0 = -1.973492680231793E-06 A_0_3 = 7.43362306717865E-11 B_0_3 = -3.654808057673929E-08 A_1_2 = -3.582599385101376E-08 B_1_2 = 4.918620620845676E-10 A_2_1 = 3.44601109584953E-10 B_2_1 = -3.618038213926843E-08 A_3_0 = -3.588100138944649E-08 B_3_0 = -6.761139863438375E-12 A_ORDER = 3 B_ORDER = 3 O_CRVAL1= 141.43767485 O_CRVAL2= 11.4297167 G_CRVAL1= 141.4374520919445 / GSC2 CRVAL1 G_CRVAL2= 11.42984834583333 / GSC2 CRVAL2 G_DRA = -0.801929 / GSC2 delta RA in arcsec G_DDEC = 0.473925 / GSC2 delta DEC in arcsec G_RMSRA = 0.0 / GSC2 rms in arcsec G_RMSDEC= 0.0 / GSC2 rms in arcsec G_NMATCH= 1 / GSC2 number of sources S_CRVAL1= 141.4377000922222 / SDSS CRVAL1 S_CRVAL2= 11.4297460425 / SDSS CRVAL2 S_DRA = 0.09087199999999999 / SDSS delta RA in arcsec S_DDEC = 0.105633 / SDSS delta DEC in arcsec S_RMSRA = 0.08513900000000001 / SDSS rms in arcsec S_RMSDEC= 0.09872 / SDSS rms in arcsec S_NMATCH= 11 / SDSS number of sources T_CRVAL1= 141.4382012211111 / 2MASS CRVAL1 T_CRVAL2= 11.42947458888889 / 2MASS CRVAL2 T_DRA = 1.894936 / 2MASS delta in arcsec T_DDEC = -0.8716 / 2MASS delta in arcsec T_RMSRA = 0.736156 / 2MASS rms in arcsec T_RMSDEC= 1.174018 / 2MASS rms in arcsec